Lock



Aug. 7, 1934.

E. N. JACOBI LOCK Filed July 10, 1930 Patented Aug. 7,' 1934 w Y NUNITED STATES PATENT oFI-lcs Anuman `Ju1y 1o, 19:0, ssi-nino. 407,03113cm. (or 'zo-46.)

Thisinventionrelates to certain new and useful projection 8 in which theadjacent end ofA an improvements in locks and has as an object toarmored cable 9 is anchored to provide a conduit provide alock structurewherein the movable elethrough which a motion transmitting element orment or unit which includes the lock cylinder, wire 10 leads from thestructure to be locked,not 5 may be readily removed from the mountingunit shown, to the lock per se. The inner shell -7 is l by personsauthorized to do so. snugly received in the casing 6 and is secured Itis another object of Athis invention vto protherein by spinning overtheouter peripheral edge vide a lock structure oi' the characterdescribed, l1 of the casing. i wherein the movable unit is removablefrom its Slidably mounted in the bore 12 of the inner l mounting unitwhen in a predetermined position shell isA a barrel 13 of a movable lockelement'er or Il with respect to themounting unit, and to which unitwhich comprises the barrel andalock cylinder it is movable only by theaid of a-proper key. 14 mounted therein. The inner closed end l5 ofAnother object of this invention resides in the `the barrel `abutsagainst a retaining bushing 16 provision of depressible means for`readily removto which the adjacent end of the motion transmitl `ablysecuring the movable unit, including the lock ting element 10 is securedas at 17 and" which is 'N cylinder, lnits mounting unit, and which maybe confined between the inner closed end of the actuated by a suitabletool to effect removal of barrel and a washer or follower 18. Anexpanthe movable unit when in a predetermined relasive sprihg 19confined between the washer yor y tive position with respect tothemounting unit. follower 18 and the closed end of the casing' 20 Anotherobject of this invention resides in the at all timesyieldably urges theentire movable provision of a lock structure of the characterdestructure which includes the movable lock unit, i scribed, having a.locking bolt whichnot only comprising the barrel `13 and thekcylinder14 and lserves to releasably secure the movable unit in the retainingbushing 16, outwardly of the mountlocked position,`but also maintainsthe movable ing unit and through the ymotion transmitting 26 unitassembled with the mounting unit. element 10 tends to maintain thestructure to be n With the above and other objects in view which locked,not shown, in its unlocked position will appear as the descriptionproceeds, my in- The longitudinal sliding movement of the mov-.-vention, resides in the novel construction, comable lock unit-isguidedby the engagement of bination and arrangement ofpartssubstantially a pin 20 carried by the barrel, in a longitudinal 30as hereinafter described and more particularly slot or guide-way 21formed in the innershell 7, defined by the appended claims, it beingunder- Vand which `extends to the outer peripheral edge stood that suchchanges in the precise embodiof the mounting unit to permit withdrawalof the ment of the herein disclosed invention may be movable unit`therefrom.

madeas come within the scope of the claims. 'I'he longitudinal slidingmovement of the mov- In the accompanying drawing-'I have illusablestructure is controlled, and the actuation of j. trated one completeexample of the physical emthe spring 19 restrained, by the engagement ofa bodiment of my invention constructed according locking bolt 22 carriedby the movable lock unit, to the best mode `I have so tar `devised forthe in a keeper recess 23 formed in the inner shell 7. `practicalapplication of the principlesthereof, As bestillustrated in Figure 3,the recess 23 is and in which: substantially L shaped and has anelongated longi- 95 Figure 1 is a view partially in section andpartudinal portion 24 and a transversely off-set por- `ti'ally inelevation of a lock structure embodying tion 25 at its inner end. Theportion 25 of. the

this invention; keeper recess is of a width substantially equal toFigure 2 is across sectional view taken through the thickness of thelocking bolt 22 and as best Figure l on the plane of the line 2 2; andillustrated in Figure 2, the bolt 22 is so mounted 100 Figure 3 isa-view. partially in elevation and in the inner end ofthe barrel as tobe yieldably partially in section and takenon the plane of the urged tonormally engage its outer locking end line 3-3 of Figure 1. .26 with thelaterally off-set portion 25 of the Referring now more particularly tothe accomkeeper recess and releasably secure the movable panyingdrawing, in which like numerals desiglocking unit in its innermost orlocked position 105 nate like parts throughout the several views, thecompressing the spring 19. numeral 5 represents a mounting element orunit To mount the looking bolt 22, the inner portion which for`convenience of manufacture comprises of the barrel `13 is provided witha transverse an outer casing 6 and an inner shell 7. The casopening 27of a configuration best shown in Figure ing 6 has its closed endprovided with a tubular 2 and having a spring receiving enlargement l2811g at one side thereof, the bolt being positioned in the recess 27 withits locking end 26 normally yieldably projected beyond the peripheralsurface of the barrel by a spring 29 confined between the bottom 30 ofthe spring receiving enlargement 28 and a laterally off-set arm 31 onthe locking bolt. A pin 32 yanchored in the barrel and a projection ortit 33 on the transverse arm 31 serves to maintain the spring in itsproper relation.

The innermost end of the locking boltA has an elongated opening 34through which a pin 35, anchored in the inner closed end portion 15 ofthe barrel, extends, to secure the locking bolt against outwarddisplacement by the spring while permitting the same to be `depressedandV swung about the pin 35 as a pivot. It is noted that the tendency ofthe spring 29 is to swing the locking bolt about its retainingpin 35 ina counterclockwisedirection, with respect to Figure 2, to align itsouter locking end 26 with the transversely offset extension 25 of thekeeper recess, thus automatically engaging the locking bolt with theoff-'- set' portion 25 whenever the movable lock unit is lmoved`inwardly into its mounting unit sufficientlyY far vto bring `the bolt inalignment there- Disengage'rnent of the locking bolt from the offsetportion 25-to permit movement of the movable lockfunit to unlockedposition is accomplished by vturningpthe lock cylinder 14. The cylinder14 is rotatably mounted in the bore 36 of the barrel and is securedagainst longitudinal movement therein s? :med in the inner end of thelock cylinder.

As is customary, the cylinder 14 is provided .'withj a plurality oflocking tumblers 41 which are Vldable urged to engagement with one of apair or'longitudinalgrooves 42 formed on the barrel nl communicationwith its bore 36, the tumblers being retractible within the peripheralsurface of the cylinder to `free the cylinder for rotation upon theinsertion of a proper key 43.

At the extreme inner end of the lock cylinder isan eccentrically locateddriving cam 44 which is adapted to engage the side of the locking boltopposite its spring 29, and upon rotation of the lock cylinder impartedthereby through the medium` of the'key 43, rock thelocking vbolt aboutits retaining pin 35 against the action of its A lspring 29 in aclockwise direction withlrespect to lFig-ure 2, and thus disengage its`locking end 26 f'froin the transversely off-,set portion 25 of the ekeeper recess.

Upon Abeing disengaged from the transversely off-set portion 25, thelocking end 26 of the bolt yis, aligned with the elongatedlongitudinalportion 24 of the keeper recess to free the movable lock unit foroutward movement by the expansive 1springp19. Such outward movement ofthe mov- .able lock' unit is limited by the engagement of the end'` 26ofthe bolt'with the outermostr end 45 of the elongated longitudinal-portion 24 of the keeper'recess. The movement of the movable A.lockunit in the performance of its normal locking functions is thus dened bythe lengthof the longitudinal portion 24 of the keeper recess.

If? it'is desired to remove the movable lock unit Yfromits mounting unitthose authorized to do so may effect such removal by merely inserting`a. suitable tool 46 into an opening 47 in the outer casing 6, which,being aligned with the Vcylinder 14 to be withdrawn from its barrel 13.

During insertion of the movable unit in its mounting member, it is onlynecessary to initially depress the locking bolt until it is moved intothebore 12 of the inner shell and to continue the inward movement of themovable unit until the bolt snaps into the off-set portion 25 of thekeeper recess.

From the foregoing description taken in connection with the accompanyingdrawing, it will be readily apparent to those skilled in the art towhich an invention of the character described, appertains, that Iprovide a lock structure having a novel manner of readily removablysecuring the movable unit in itsmounting structure, wherein -ingfunctions, but also provides depressible means for readily removablysecuringy the elements assembled.

What I claim as my invention is:

l. In a lock structure, a mounting unit, a locking unit movable thereinin the performance of its normal locking functions, and cooperatingabutments carried by the units for removably securing the locking unitin different positions in the mounting unit, one of said abutments beingmovable bythe locking unit to enable the locking unit to move from oneposition to another, and being movable to inactive position by a toolinsertcd in one of the units when they are in predetermined relativepositions to release the movable unit for withdrawal from the mountingunit.

2. In a lock structure including a mounting unit and a locking unitmovable therein in the performance of its normal locking functions, asingle member for defining the normal limits of movement of the lockingunit, for releasably holding the locking unit against movement at one ofsaid normal limits and for releasably maintaining the units assembled.

3. In a lock structure, a mounting unit, a locking unit movable thereinin the performance of its normal locking functions, cooperating meanscarried by the mounting unit and the locking unit for dening the normallimits of movement of the locking unit in the performance of its lockingfunction, for securing the locking unit at a definite position withinits normal range of movement and releasably maintaining the unitsassembled, one of said means being yieldably maintained in operativeposition, and means whereby said yieldable means may be moved toinoperative position to disable the cooperating means by a tool insertedinto one of the units.

4. In a lock structure including a mounting unit and a locking unitmovable therein in the performance of its normal locking functionsasingle member for defining the normal limits of 1 movement of thelocking unit, for releasably holding the locking unit against movementat a definite position within its normal range of movement and forreleasably maintaining the units assembled.

'memoir 5. In a lock structure, a bored mounting member, a locking unitmovable longitudinally therein in the performance of its normal lockingfunctions, a locking bolt carried by the locking unit and normallyengaged in a recess in the mounting unit to denne the normal limits ofmovement or the locking unit and to effect its locking functions,disengagement ot the locking bolt out of the mounting unit recessreleasing the locking unit for withdrawal from the mounting unit, andmeans whereby the locking bolt may be disengaged from the mounting unitrecess.

6. In a lock structure, a mounting unit, a locking unit movablelongitudinally therein, a locking bolt carried by the locking unit andengage-.-

- spring operable on said locking bolt to oppose both axial and pivotalmovement in one direction.

8. In a lock structure, a tubular casing, a locking unit movable axiallyin said casing, a locking bolt carried by said locking unit andengageable in a recess formed in the casing, said recess having alongitudinal and a transverse portion and the looking bolt havingpivotal and longitudinal movement, a common spring operable on thelocking bolt to oppose both pivotal and axial movement thereof and toyieldably maintain the locking bolt in said recess, engagement of thebolt with the transverse portion of the recess securing the locking unitin its locked position against axial movement, a lock cylinder carriedby the locking unit to move the locking bolt pivotally out of saidtransverse portion of the recess lock cylinder. a common spring toyieldably urge the locking bolt transversely of the mounting barrel andalso pivotally about its pivotal axis. and a cam on the lock cylinderengageable' with the bolt to swing the same about its pivotal axis.

10. In a lock structure, a board mounting member having an L shapedrecess communicating with its bore, one leg of which is substantiallyaxial to the bore and the other substantially transverse thereto, alooking unit slidable axially in the bore of the casing, a locking boltcarried by the locking unit and engageable in said L shaped recess, theengagement oi the locking bolt in the transverse portion of the recesssecuring the locking unit against longitudinal sliding movement and theengagement thereof in the longitudinal portion of the recess permittingdened sliding ,movement thereof, a single spring to maintain the lockingbolt engaged in said recess-and to cause the same to follow the shape ofthe recess .and to engage the same in the transverse portion of -therecess, and a lock cylinder carried by the locking unit and operable todisengage the locking bolt from said transverse portion of the recess.

11. In a lock, a housing, a cylinder movablein said housing, a pivotallymounted bolt carried by said cylinder and adapted to lock the sameagainst movement relatively to said housing, key controlled means formoving said bolt on its pivot to release said cylinder relatively to thehousing, a portion of said pivotally movable bolt being cooperable withsaid housing at all times to limit the movement of said cylinderrelatively thereto.

12. In a cylinder lock, a housing, a cylinder movable in said housing, apivotally mounted bolt for locking said cylinder relatively to saidhousing, a plug in said cylinder, and means operable by rotation of saidplug to move said bolt on its pivot for releasing said cylinderrelatively to said housing, and a portion o! said pivoted bolt beingcooperable with said housing to retain the cylinder against unlimitedmovement relatively to said housing when said bolt has been key operatedto release said cylinder relatively to said housing.

13. In a lock, a housing, a cylinder mounted in' said housing, a keyoperated bolt mounted in said cylinder and adapted to cooperate withmeans on said housing to lock the cylinder against movement relativelyto said housing, said bolt being tiltable when key operated to releasethe cylinder i'or movement relatively to said housing, and a portion ofsaid bolt being movable into a position to limit the movement oi saidcylinder relatively to said housing.

EDWARD N. JACOBI.

